Comparison
ECC vs Devon
Verdict
Pick ECC if eCC is an agent harness performance optimization system for AI agents and large language models, emphasizing skills, instincts, memory, security, and research-first development; pick Devon if devon serves as an open-source AI developer tool for code generation and development tasks using Python.
Markdown twin · ECC alternatives · Devon alternatives
GraphCanon updated Sep 20, 2026
10views this month
Trust & integrity
| Signal | ECC | Devon |
|---|---|---|
| Maintenance | Very active (0d since push) As of Sep 18, 2026 · github_public_v1 | Dormant (481d since push) As of Sep 20, 2026 · github_public_v1 |
| Provenance | Not a fork · Personal account As of Sep 18, 2026 · github_public_v1 | Not a fork · Organization account As of Sep 20, 2026 · github_public_v1 |
| OSV dependency advisories | No published findings from this source as of 2026-09-18 As of Sep 18, 2026 · osv@v1 | No published findings from this source as of 2026-07-15 As of Jul 15, 2026 · osv@v1 |
| deps.dev advisories | Not queried deps.dev@v1 | Not queried deps.dev@v1 |
| OpenSSF Scorecard | Not queried openssf-scorecard@v1 | Not queried openssf-scorecard@v1 |
Tagline
- ECC
- Agent harness performance optimization system for AI agents and LLMs
- Devon
- An open-source pair programmer
Stars
- ECC
- 261k
- Devon
- 3.5k
Forks
- ECC
- 39k
- Devon
- 282
Open issues
- ECC
- 227
- Devon
- 26
Language
- ECC
- JavaScript
- Devon
- Python
Adopt for
- ECC
- ECC is an agent harness performance optimization system for AI agents and large language models, emphasizing skills, instincts, memory, security, and research-first development.
- Devon
- Devon serves as an open-source AI developer tool for code generation and development tasks using Python.
Persona
- ECC
- -
- Devon
- -
Runtime
- ECC
- -
- Devon
- -
License
- ECC
- ECC is available under the MIT license, ensuring it remains free for open-source projects. However, for private repositories, ECC Pro offers a paid GitHub App service.
- Devon
- AGPL-3.0
Last pushed
- ECC
- Sep 17, 2026
- Devon
- May 26, 2025
Categories
- ECC
- AI Agents, Developer Tools, LLM Frameworks
- Devon
- AI Agents, Developer Tools
Trust and health
Maintenance
- ECC
- Very active (96%)
- Devon
- Dormant (18%)
Days since push
- ECC
- 0d
- Devon
- 481d
Open issues (now)
- ECC
- 227
- Devon
- 26
Stars delta
- ECC
- +21k (30d)
- Devon
- +2 (30d)
Open issues delta
- ECC
- +105 (30d)
- Devon
- 0 (30d)
Owner type
- ECC
- User
- Devon
- Organization
OSV dependency advisories
- ECC
- No published findings from this source as of 2026-09-18
- Devon
- No published findings from this source as of 2026-07-15
Full report
- ECC
- Trust report
- Devon
- Trust report
Shared compatibility
- Node.js · ECC: Node.js runtime · Devon: Node.js runtime
Choose ECC if…
- ECC is primarily JavaScript; Devon is Python.
- License: ECC is MIT, Devon is AGPL-3.0.
- Pricing: ECC is free for open-source projects, but private repositories require a paid subscription starting at $19 per seat per month..
- Requirements: ECC requires a JavaScript environment and can be installed via guided setup or native plugin commands..
- Tags unique to ECC: ai-agents, anthropic, claude, claude-code.
- Also covers LLM Frameworks.
- Use ECC when you need to optimize the performance of AI agents and large language models, particularly if you are working with platforms like Claude Code, Codex, Opencode, or Cursor.
When NOT to use ECC
- Avoid ECC if your project does not require the specific features it offers, such as skills, instincts, memory, security, and research-first development, and if you are looking for a more generalized L
Choose Devon if…
- Devon is primarily Python; ECC is JavaScript.
- License: Devon is AGPL-3.0, ECC is MIT.
- Tags unique to Devon: agent, ai-software-engineer, code-assistant, gpt-4o.
- Need Python-specific assistance
When NOT to use Devon
- Require proprietary software options
- Necessity for languages other than Python
- Aversion to community-driven license terms
Explore
Sources
Every stat on this page traces to a dated GitHub sync, license file, enrichment field, or trust scan.
- GitHub stars (affaan-m/ECC) · observed Sep 20, 2026
- GitHub forks (affaan-m/ECC) · observed Sep 20, 2026
- Last push (affaan-m/ECC) · observed Sep 17, 2026
- License file (MIT) · observed Sep 20, 2026
- Decision facts (enrichment) · observed Sep 18, 2026
- Trust scan (lockfile / OSV) · observed Sep 18, 2026
- GitHub stars (entropy-research/Devon) · observed Sep 20, 2026
- GitHub forks (entropy-research/Devon) · observed Sep 20, 2026
- Last push (entropy-research/Devon) · observed May 26, 2025
- License file (AGPL-3.0) · observed Sep 20, 2026
- Decision facts (enrichment) · observed Jul 17, 2026
- Trust scan (lockfile / OSV) · observed Jul 15, 2026
GitHub stars on cards: ECC 261k · Devon 3.5k (synced Sep 20, 2026).
Common questions
- What is the difference between ECC and Devon?
- ECC: Agent harness performance optimization system for AI agents and LLMs. Devon: An open-source pair programmer. See the comparison table for live GitHub stats and shared categories.
- When should I choose ECC over Devon?
- Choose ECC over Devon when ECC is primarily JavaScript; Devon is Python; License: ECC is MIT, Devon is AGPL-3.0; Pricing: ECC is free for open-source projects, but private repositories require a paid subscription starting at $19 per seat per month.; Requirements: ECC requires a JavaScript environment and can be installed via guided setup or native plugin commands.; Tags unique to ECC: ai-agents, anthropic, claude, claude-code; Also covers LLM Frameworks; Use ECC when you need to optimize the performance of AI agents and large language models, particularly if you are working with platforms like Claude Code, Codex, Opencode, or Cursor.
- When should I choose Devon over ECC?
- Choose Devon over ECC when Devon is primarily Python; ECC is JavaScript; License: Devon is AGPL-3.0, ECC is MIT; Tags unique to Devon: agent, ai-software-engineer, code-assistant, gpt-4o; Need Python-specific assistance.
- When should I avoid ECC?
- Avoid ECC if your project does not require the specific features it offers, such as skills, instincts, memory, security, and research-first development, and if you are looking for a more generalized L
- When should I avoid Devon?
- Require proprietary software options Necessity for languages other than Python Aversion to community-driven license terms
- Is ECC or Devon more popular on GitHub?
- ECC has more GitHub stars (261,432 vs 3,457). Stars measure visibility, not whether either tool fits your constraints.
- Are ECC and Devon open source?
- Yes - both are open-source projects on GitHub (ECC: MIT, Devon: AGPL-3.0).
- Where can I find alternatives to ECC or Devon?
- GraphCanon lists graph-backed alternatives at ECC alternatives and Devon alternatives (ECC markdown twin, Devon markdown twin), ranked by typed relationship edges rather than popularity votes.
- Is there a machine-readable version of this comparison?
- Yes. The markdown twin at this comparison mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers.
- Which is better maintained, ECC or Devon?
- ECC: Very active. Devon: Dormant. Compare maintenance labels, days since push, and release cadence in the trust section below - stars alone do not measure maintenance.
- Where are the full trust reports for ECC and Devon?
- GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: ECC trust report; Devon trust report.